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An Introduction to the IMDG Code

An Introduction to the IMDG Code. The objective of the International Maritime Dangerous Goods (IMDG) Code is to: Enhance the safe transport of dangerous goods Protect the marine environment Facilitate the free unrestricted movement of dangerous goods. 2.

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An Introduction to the IMDG Code

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  1. An Introduction to the IMDG Code • The objective of the International Maritime Dangerous Goods (IMDG) Code is to: • Enhance the safe transport of dangerous goods • Protect the marine environment • Facilitate the free unrestricted movement of dangerous • goods 2

  2. The International Legal Framework • The International Maritime Organization (IMO) • The IMO is a United Nations specialised agency which has developed international legislation dealing with two key issues for the maritime industry: • The safety of life at sea • Prevention of pollution from ships • The IMO has developed two international conventions to address these issues: • The SOLAS Convention (covering safety of life at sea) • The MARPOL Convention (covering pollution • prevention) 3 IMDG Code reference: 1.1.2

  3. The International Legal Framework To supplement the principles laid down in the SOLAS and MARPOL Conventions, the IMO developed the International Maritime Dangerous Goods (IMDG) Code. The IMDG code contains detailed technical specifications to enable dangerous goods to be transported safely by sea. The IMDG Code became mandatory for adoption by SOLAS signatory states from 1st January 2004. 4 IMDG Code reference: 1.1.1

  4. Principles of the IMDG Code • The IMDG Code is based on an internationally agreed system which: • Groups dangerous goods together based on the hazards they • present in transport (classification). • Contains the dangerous goods in packagings/tanks which are of • appropriate strength and which will prevent the goods escaping. • Uses hazard warning labels and other identifying marks to identify • dangerous goods in transport. • Requires standard documentation to be provided when • dangerous goods are being transported. • Lays down principles for ensuring that dangerous goods which will • react dangerously together are kept apart. • Lays down principles for where to place dangerous goods on • board ship to ensure safe transport. • Provides emergency response advice for dangerous goods • involved in a fire or spillage on board ship. 5

  5. Principles of the IMDG Code • Updating the IMDG Code • The IMDG Code is evolving and is updated every two years to take account of: • New dangerous goods which have to be included. • New technology and methods of working with or handling • dangerous goods. • Safety concerns which arise as a result of experience. Continued… 6

  6. Principles of the IMDG Code Updating the IMDG Code Each version of the Code is given an Amendment number to signify how many times it has been updated. This number appears at the bottom of each page together with the year of the Amendment. The current Amendment is 33-06 which is valid until 31st December 2009. However, from 1st January 2009 Amendment 34-08 can also be used because 2009 is a transition year which allows the use of both Amendments in tandem. For full details and a tour of Amendment 34-08 please see www.imdgsupport.com 7

  7. Principles of the IMDG Code Updating the IMDG Code The Amendment Cycle of the IMDG Code • Each Amendment is valid for • two years. • There are alternating years for • implementation. • In January of the yellow years, • a new Amendment is published • and can be used immediately, • subject to the timing of National • Competent Authority adoption. • During the yellow years, the • preceding Amendment can also • be used, so it is a transition year. • In the green years, only the • current Amendment may be • used. 8

  8. Principles of the IMDG Code Updating the IMDG Code Although the Code is updated every two years, the basic structure remains constant and once you have understood it you will be able to easily locate information in the future Amendment. 9

  9. Layout of the IMDG Code • The Code comprises 7 parts. • It is presented in two books; Volume 1 and Volume 2. • It is necessary to use both books to obtain the required • information when shipping dangerous goods by sea. • The Code also contains a Supplement. 10

  10. Layout of the IMDG Code Volume 1 (Parts 1-2 & 4-7 of the Code) comprises: Part 1 General provisions, definitions and training Part 2 Classifications Part 4 Packing and tank provisions Part 5 Consignment procedures Part 6 Construction and Testing of Packagings, Intermediate Bulk Containers (IBCs), Large Packagings, Portable Tanks, Multi-Element Gas Containers (MEGCs) and Road Tank Vehicles Part 7 Requirements concerning transport operations 11

  11. Layout of the IMDG Code Volume 2 (Part 3 and the Appendices of the Code) comprises: Part 3 Dangerous Goods List (DGL) and Limited Quantities Exceptions The DGL is the central core of the IMDG Code and presents information on transport requirements in a coded form Appendix A List of Generic and N.O.S. (Not Otherwise Specified) Proper Shipping Names Appendix B Glossary of terms Alphabetical Index 12

  12. Layout of the IMDG Code Supplement • The supplement contains the following texts related to the Code: • Emergency Response Procedures for Ships Carrying • Dangerous Goods • Medical First Aid Guide • Reporting Procedures • IMO/ILO/ECE Guidelines for Packing Cargo Transport • Units • Safe Use of Pesticides in Ships • International Code for the Carriage of Packaged • Irradiated Nuclear Fuel, Plutonium and High-Level • Radioactive Wastes on Board Ships 13

  13. IMDG Code Classification System • The purpose of the IMDG Code’s classification system is: • To distinguish between goods which are considered • to be dangerous for transport and those which are • not. • To identify the dangers which are presented by • dangerous goods in transport. • To ensure that the correct measure are taken to • enable these goods to be transported safely without • risk to persons or property (both within the port and • on the ship). 14 IMDG Code reference: 2.0

  14. IMDG Code Classification System • Dangerous goods are classified into 9 classes according to properties. The way in which different classes of dangerous goods are handled in transport will depend upon these properties and hazards, for example: • The type of packaging that can be used. • What classes of dangerous goods can be transported • together in freight containers. • Where the goods can be stored within the port and on the • ship. Continued… 15 IMDG Code reference: 2.0

  15. IMDG Code Classification System The 9 classes: Class 1 Explosives Class 2 Gases Class 3 Flammable liquids Class 4 Flammable solids Class 5 Oxidizing substances and organic peroxides Class 6 Toxic and infectious substances Class 7 Radioactive material Class 8 Corrosive substances Class 9 Miscellaneous dangerous substances and articles Continued… 16 IMDG Code reference: 2.0

  16. IMDG Code Classification System The 9 hazard classes have been established internationally by a United Nations (UN) committee to ensure that all modes of transport (road, rail, air and sea) classify dangerous goods in the same way. By testing the dangerous goods according to UN test procedures, a shipper is able to classify dangerous goods according to the 9 hazard classes. 17 IMDG Code reference: 2.0

  17. Identification of Dangerous Goods The hazard presented by each class is identified by an internationally accepted hazard warning label (diamond). This appears on the outer packaging of the dangerous goods when they are being transported as a warning to all those working within the transport chain or coming into contact with them. These hazard warning labels are pictured inside the front cover of Volume 1 of the IMDG Code. 18 IMDG Code reference: 5.2.2.2.2

  18. Identification of Dangerous Goods by PSN and UN Number • Within each of the 9 hazard classes dangerous goods are uniquely identified by two pieces of information: • A four-digit number known as the UN Number which is • preceded by the letters UN. • The corresponding Proper Shipping Name (PSN). • For example, kerosene is identified in the IMDG Code by its UN Number UN 1223 and the PSN Kerosene. Continued… 19 IMDG Code reference: 2.0.2

  19. Identification of Dangerous Goods by PSN and UN Number • Together the UN Number and PSN uniquely identify dangerous goods to: • enable rapid and precise identification during transport to • ensure the correct handling, stowage, segregation etc, • and • in the event of an emergency, ensure that the correct • procedures are followed. 20 IMDG Code reference: 2.0.2

  20. Using UN Numbers • Using a four-digit number to identify dangerous goods enhances safety by: • Overcoming language barriers • - the four-digit number is easily understood in all languages • Avoiding confusing similar names • - e.g. TITANIUM POWDER, WETTED UN 1352 which is a • flammable solid in class 4.1 and has very different transport • requirements to TITANIUM POWDER, DRY UN 2546 which is • spontaneously combustible in class 4.2. 21 IMDG Code reference: 2.0.2

  21. Using Proper Shipping Names (PSNs) • The PSN must be used for transport purposes on • documentation/labelling etc. • No alternatives or variations are permitted unless • specifically stated. • The PSN is that part of the name which appears in the • Dangerous Goods List or the Alphabetical Index in capital • letters only. • Any text in lower case is only descriptive and is not part of • the PSN. 22 IMDG Code reference: 2.0.2

  22. Understanding the Dangerous Goods List (DGL) • The DGL is presented across 2 pages of the IMDG Code and • is divided into 18 columns for each individual dangerous • good listed. • Much of the information contained in the DGL is coded to • make it easier to present in a table. • The DGL is arranged in UN Number order; column 1 and • column 18 contains the UN Number. • To look up an entry, you just need the UN Number. • Dangerous goods can also be searched using the PSN. • Therefore, if you do not have the UN Number but have the • PSN, you can find its associated UN Number by looking at • the alphabetical index at the back of Volume 2. 23 IMDG Code reference: 3.0

  23. Understanding the Dangerous Goods List (DGL) Column 1 – UN Number Contains the United Nations Number assigned by the United Nations Committee of Experts on the Transport of Dangerous Goods (UN List). Column 2 – Proper Shipping Name (PSN) Contains the Proper Shipping Names in upper case characters which may have to be followed by additional descriptive text in lower-case characters. Column 3 – Class or Division Contains the class and, in the case of class 1, the division and compatibility group. Continued… 24 IMDG Code reference: 3.0

  24. Understanding the Dangerous Goods List (DGL) Column 4 – Subsidiary Risk(s) Contains the class number(s) of any subsidiary risk(s). This column also identifies a dangerous goods as a marine pollutant or a severe marine pollutant as follows: P Marine pollutant PP Severe marine pollutant ●Marine pollutant only when containing 10% or more substance(s) identified with ‘P’ or 1% or more substance(s) identified with ‘PP’ in this column or in the Index. Column 5 – Packing Group Contains the packing group number (i.e. I, II or III) where assigned to the substance or article. Column 6 – Special Provisions Contains a number referring to any special provision(s) indicated in chapter 3.3. Column 7 – Limited Quantities Provides the maximum quantity per inner packaging. Continued… 25 IMDG Code reference: 3.0

  25. Understanding the Dangerous Goods List (DGL) Column 8 – Packing Instructions Contains packing instructions for the transport of substances and articles. Column 9 – Special Packing Provisions Contains special packing provisions. Column 10 – IBC Packing Instructions Contains IBC instructions which indicate the type of IBC that can be used for the transport. A code including the letters ‘IBC’ refers to packing instructions for the use of IBCs described in chapter 6.5. Column 11 – IBC Special Provisions Refers to special packing provisions applicable to the use of packing instructions bearing the code ‘IBC’ in 4.1.4.2. Column 12 – IMO Tank Instructions This column only applies to IMO portable tanks and road tank vehicles. Continued… 26 IMDG Code reference: 3.0

  26. Understanding the Dangerous Goods List (DGL) Column 13 – UN Tank and Bulk Container Instructions Contains T codes (see 4.2.5.2.6) applicable to the transport of dangerous goods in portable tanks and road tank vehicles. Column 14 – Tank Special Provisions Contains TP notes (see 4.2.5.3) applicable to the transport of dangerous goods in portable tanks and road road tank vehicles. The TP notes specified in this column apply to the portable tanks specified in both columns 12 and 13. Column 15 – EmS Refers to the relevant emergency schedules for FIRE and SPILLAGE in ‘The EmS Guide – Emergency Response Procedures for Ships Carrying Dangerous Goods’. Column 16 – Stowage and Segregation Contains the stowage and segregation provisions as prescribed in part 7. Continued… 27 IMDG Code reference: 3.0

  27. Understanding the Dangerous Goods List (DGL) Column 17 – Properties and Observations Contains properties and observations on the dangerous goods listed. Column 18 – UN Number Contains the United Nations Number assigned to a dangerous good by the United Nations Committee of Experts on the Transport of Dangerous Goods (UN List). 28 IMDG Code reference: 3.0

  28. Training Requirements In the 2002 edition of the IMDG Code, training was introduced for the first time. The training requirements have become mandatory starting with Amendment 34-08. The IMO Member Governments recognised that the safe transport of dangerous goods by sea is dependent upon the appreciation, by all persons involved, of the risks involved and on a detailed understanding of the IMDG Code requirements. For this reason, properly planned and maintained initial and re-training programmes for all persons concerned with the transport of dangerous goods are recommended. Continued… 29 IMDG Code reference: 1.3

  29. Training Requirements • These training requirements highlight the need for all shore-based personnel involved in the shipment of dangerous goods to receive training commensurate with their responsibilities. The IMDG Code defines shore-based personnel as those who: • classify dangerous goods and identify PSNs • pack dangerous goods in packages • mark, label or placard dangerous goods • pack/unpack containers • prepare transport documents • offer dangerous goods for transport • accept dangerous goods for transport • handle dangerous goods in transport • prepare dangerous goods loading/stowage plans • load/unload dangerous goods in transport • carry dangerous goods in transport • enforce, survey or inspect for compliance with applicable rules • and regulations 30 IMDG Code reference: 1.3

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